American Century Companies Portfolio holdings
American Century Companies, Inc., founded in 1958 by James E. Stowers Jr. as Twentieth Century Mutual Funds and headquartered in Kansas City, Missouri, is a privately held investment management firm renowned for its focus on delivering investment results to clients while supporting medical research. Starting with just $100,000 from 24 shareholders, it rebranded to American Century Investments in 1997 and now manages hundreds of billions in assets across mutual funds, ETFs, and institutional portfolios, emphasizing no-load funds and a client-centric approach. The firm’s unique ownership structure sees over 40% of its profits funneled to the Stowers Institute for Medical Research, which it majority-owns, funding groundbreaking biomedical research, while Nomura Holdings holds a significant minority stake. With a global presence in cities like New York, London, and Hong Kong, and a workforce of around 1,400, American Century blends financial expertise with a mission to improve lives through both wealth creation and scientific advancement.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amphenol
APH
|
+$460M |
| 2 |
Broadcom
AVGO
|
+$298M |
| 3 |
Sysco
SYY
|
+$225M |
| 4 |
MRSH
Marsh
MRSH
|
+$200M |
| 5 |
Ascendis Pharma A/S
ASND
|
+$186M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$573M |
| 2 |
Visa
V
|
+$465M |
| 3 |
Apple
AAPL
|
+$461M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$363M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$358M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.8% |
| 2 | Financials | 13.6% |
| 3 | Consumer Discretionary | 12.52% |
| 4 | Industrials | 10.05% |
| 5 | Healthcare | 9.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1751
Safety Insurance
SAFT
$1.52B
| $4.61M | ﹤0.01% |
59,167
+1,123
| +2% | +$83.1K |
|
1752
ANI Pharmaceuticals
ANIP
$1.75B
| $4.6M | ﹤0.01% |
58,246
+26,986
| +86% | +$2.34M |
|
1753
BioNTech
BNTX
$23.2B
| $4.59M | ﹤0.01% |
48,227
+200
| +0.4% | +$20.1K |
|
1754
Omnicell
OMCL
$1.7B
| $4.58M | ﹤0.01% |
101,205
-10,042
| -9% | -$367K |
|
1755
Hawaiian Electric Industries
HE
$2.05B
| $4.56M | ﹤0.01% |
370,957
-58,652
| -14% | -$680K |
|
1756
SolarEdge
SEDG
$2B
| $4.56M | ﹤0.01% |
158,016
-1,083
| -0.7% | -$37.8K |
|
1757
MasTec
MTZ
$23.6B
| $4.53M | ﹤0.01% |
20,860
-14,830
| -42% | -$3.11M |
|
1758
Artisan Partners
APAM
$3.01B
| $4.53M | ﹤0.01% |
111,071
+20,724
| +23% | +$884K |
|
1759
Doximity
DOCS
$4.47B
| $4.52M | ﹤0.01% |
101,998
-120,857
| -54% | -$6.78M |
|
1760
Performance Food Group
PFGC
$16.8B
| $4.52M | ﹤0.01% |
50,225
+228
| +0.5% | +$22K |
|
1761
Stoneridge
SRI
$203M
| $4.48M | ﹤0.01% |
774,278
+149,718
| +24% | +$942K |
|
1762
Alcoa
AA
$13.3B
| $4.48M | ﹤0.01% |
84,347
+4,529
| +6% | +$185K |
|
1763
Marqeta
MQ
$1.71B
| $4.48M | ﹤0.01% |
235,891
-32,530
| -12% | -$625K |
|
1764
Cushman & Wakefield Ltd
CWK
$3.35B
| $4.45M | ﹤0.01% |
274,749
+72,915
| +36% | +$1.16M |
|
1765
Stewart Information Services
STC
$2.07B
| $4.44M | ﹤0.01% |
63,234
+2,049
| +3% | +$148K |
|
1766
AptarGroup
ATR
$8.41B
| $4.43M | ﹤0.01% |
36,341
+369
| +1% | +$45.6K |
|
1767
10x Genomics
TXG
$7.42B
| $4.43M | ﹤0.01% |
271,654
+34,216
| +14% | +$517K |
|
1768
St. Joe Company
JOE
$3.86B
| $4.42M | ﹤0.01% |
74,414
+13,612
| +22% | +$762K |
|
|
FSUN
1769
FirstSun Capital Bancorp
FSUN
$2.03B
| $4.42M | ﹤0.01% |
117,375
+55,315
| +89% | +$2.01M |
|
1770
Universal Logistics Holdings
ULH
$507M
| $4.41M | ﹤0.01% |
290,595
+11,098
| +4% | +$187K |
|
1771
Core Molding Technologies
CMT
$227M
| $4.4M | ﹤0.01% |
219,466
| – | – |
|
1772
NB Bancorp
NBBK
$1.01B
| $4.4M | ﹤0.01% |
221,855
+84,542
| +62% | +$1.61M |
|
1773
National Fuel Gas
NFG
$7.8B
| $4.38M | ﹤0.01% |
54,763
+710
| +1% | +$58.5K |
|
1774
Townsquare Media
TSQ
$104M
| $4.38M | ﹤0.01% |
852,205
-5,378
| -0.6% | -$30.2K |
|
1775
EastGroup Properties
EGP
$10.9B
| $4.38M | ﹤0.01% |
24,583
+986
| +4% | +$175K |
|
Similar funds
American Century Companies's Q4 2025 Portfolio in Review
As of Q4 2025, American Century Companies held 2,902 positions worth $199B, up 1.2% from $197B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q4 2025 filing shows 123 new, 1,653 increased, 947 reduced and 91 closed positions. Its largest new stake was Amrize Ltd: 2,173,524 shares worth $118M. The largest sale was NVIDIA, an estimated $573M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q4 2025 buy was Amrize Ltd: 2,173,524 shares worth $118M.
- American Century Companies added most to Amphenol in Q4 2025, an estimated $460M increase.
- American Century Companies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $573M.
- American Century Companies fully exited Premier in Q4 2025, selling an estimated $91.5M.
- American Century Companies's ten largest holdings make up 27% of its $199B portfolio in Q4 2025.
- American Century Companies opened 123 new positions and closed 91 in Q4 2025.
- American Century Companies's portfolio value rose 1.2% quarter-over-quarter to $199B.
Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.